Table 1

Baseline patient characteristics*

CharacteristicWLI group
(n=2258)
2G-NBI group
(n=2265)
Age, years†70.6±7.570.6±7.5
Male sex, n (%)1753 (77.6)1774 (78.3)
Indication, n (%)
 Current oesophageal cancer12 (0.5)10 (0.4)
 History of oesophageal cancer373 (16.5)378 (16.7)
 Current gastric neoplasm‡68 (3.0)81 (3.6)
 History of gastric neoplasm‡1805 (80.0)1796 (79.3)
  • *There were no significant differences between the two groups.

  • †Mean±SD.

  • ‡Gastric neoplasms included gastric cancers and gastric adenomas.

  • WLI, white light imaging; 2G-NBI, second-generation narrow band imaging.